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Finding the Third Proportional to 370,755 and 809,469

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Solution

The third proportional to 370,755 and 809,469 is: 1,767,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,755 : 809,469 = 809,469 : x
  2. Step 2: Convert to fraction form
    370,755/809,469 = 809,469/x
  3. Step 3: Cross multiply
    370,755x = 809,469 × 809,469
  4. Step 4: Simplify right side
    370,755x = 655,240,061,961
  5. Step 5: Solve for x
    x = 655,240,061,961/370,755
  6. Step 6: Final answer
    x = 1,767,312.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.